根据下列句子及所给汉语注释，写出空缺处各单词的正确形式，每空只写一词。

小题1: A lot of boys want to be ________(士兵) after they leave school.

小题2:What _________(造成) the dog’s death is still a secret.

小题3: The lake became much _________(深) after a heavy rain.

小题4: Have you heard of the _________(古老的) Chinese legend before?

小题5:It seems that he is always full of ________(活力).

某商品住宅项目位于城市湿地公园附近，房地产开发企业利用多种媒体大力宣传湿地环境对居住的好处，并以此宣传效果作为楼盘的定价依据，这种定价方法是（）

A．目标定价法

B．领导定价法

C．随行就市定价法

D．认知价值定价法